now.c

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- *//* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Netscape Portable Runtime (NSPR). * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998-2000 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */#include <stdio.h>#include <stdlib.h>#if defined(VMS)#include <sys/timeb.h>#elif defined(XP_UNIX) || defined(XP_OS2_EMX) || defined(XP_BEOS)#include <sys/time.h>#elif defined(WIN32)#include <windows.h>#elif defined(XP_OS2_VACPP)#include <sys/timeb.h>#else#error "Architecture not supported"#endifintmain(int argc, char **argv)
{
#if defined(OMIT_LIB_BUILD_TIME)/* * Some platforms don't have any 64-bit integer type * such as 'long long'. Because we can't use NSPR's * PR_snprintf in this program, it is difficult to * print a static initializer for PRInt64 (a struct). * So we print nothing. The makefiles that build the * shared libraries will detect the empty output string * of this program and omit the library build time * in PRVersionDescription. */#elif defined(VMS)longlong now;
struct timeb b;
ftime(&b);
now = b.time;
now *= 1000000;
now += (1000 * b.millitm);
fprintf(stdout, "%Ld", now);
#elif defined(XP_UNIX) || defined(XP_OS2_EMX) || defined(XP_BEOS)longlong now;
struct timeval tv;
#ifdef HAVE_SVID_GETTOD gettimeofday(&tv);
#else gettimeofday(&tv, NULL);
#endif now = ((1000000LL) * tv.tv_sec) + (long long)tv.tv_usec;
#if defined(OSF1)
fprintf(stdout, "%ld", now);
#elif defined(BEOS) && defined(__POWERPC__) fprintf(stdout, "%Ld", now); /* Metroworks on BeOS PPC */#else fprintf(stdout, "%lld", now);
#endif#elif defined(WIN32) __int64 now;
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
CopyMemory(&now, &ft, sizeof(now));
/* * 116444736000000000 is the number of 100-nanosecond intervals * between Jan. 1, 1601 and Jan. 1, 1970. */#ifdef __GNUC__ now = (now - 116444736000000000LL) / 10LL;
fprintf(stdout, "%lld", now);
#else now = (now - 116444736000000000i64) / 10i64;
fprintf(stdout, "%I64d", now);
#endif#elif defined(XP_OS2_VACPP)/* no long long or i64 so we use a string */#include <string.h>char buf[24];
char tbuf[7];
time_t now;
long mtime;
int i;
struct timeb b;
ftime(&b);
now = b.time;
_ltoa(now, buf, 10);
mtime = b.millitm * 1000;
if (mtime == 0){
++now;
strcat(buf, "000000");
} else {
_ltoa(mtime, tbuf, 10);
for (i = strlen(tbuf); i < 6; ++i)
strcat(buf, "0");
strcat(buf, tbuf);
}
fprintf(stdout, "%s", buf);
#else#error "Architecture not supported"#endifreturn 0;
} /* main *//* now.c */